Episode 4 was the fourth of nineteen episodes which covered Season 2.0 of Comedy Central BattleBots. With Season 2.0 well underway, this episode honed in on the heavyweight division and featured three fights in total. Patrick Campbell's hammerbot frenZy faced off against UK Robot Wars champion Panic Attack 3. Fellow British representatives Suicidal Tendencies and KillerHurtz also took on BioHazard and GoldDigger respectively. The episode premiered on December 19, 2000, alongside Episode 5.